Thirds



(No Model.)

O. SGHROEDER. STOPPERING BTITLES` 'Paxentedsepn 1-9, 189s.

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UNITED STATES l PATENT OFFICE.

CONRAD SCI'IROEDER, OF MILWAUKEE, WISCONSIN, ASSIGNOR OF TWO- ATI-IIRDS, BY DIRECT AND MESNE ASSIGNMENTS, TO ANTON STOLLEN- VERK AND FERDINAND ACHTENI-IAGEN, OF SAME PLACE.

STOPPERING BOTTLES.

SPECIFICATION forming part of Letters Patent No. 505,301 dated September 19, 1893.

Application filed April 18, 1892.

To all whom it may concern:

Be it known that I, CONRAD SCHROEDER, a citizen of the United States, and a resident of Milwaukee, in the county of Milwaukee, and in the State of Wisconsin, have invented certain new and useful Improvements iu Stoppering Bottles, (Case 13;) and I do hereby de clare that the following is a full, clear, and eX- act description thereof.

My invention relates to improvements in stoppering bottles, and consists in certain peculiarities of construction of the upper part of the bottle, and the combination therewith, and construction, of the stoppering devices, all as will be fully set forth hereinafter and subsequently claimed.

In the drawings: Figure 1 is a'vertical sectional view representing the upper part of a bottle, constructed and stoppered according to my present invention. Fig. 2 is a like view of the extreme upper parts of the bottle head and cork, showing a metallic disk applied thereto ready for the last operation in stoppering. Fig. 3 is a vertical sectional view of said disk. Fig. 4. is a plan view thereof, and Fig. 5 is a view, in elevation, of the cork employed in stoppering the bottle.

A represents the neck of the bottle, such as is ordinarily employed to hold beer, wine or other potable fluid, B the head of the bottle, a the choke in the bottle neck, and b a strengthening band formed circumferentially on the exterior of the bottle-head and integral therewith. The interior of the bottle head is provided with a circumferential groove ol in line with the described strengthening band b and above and below this groove d the bore in the bottle head is flared or enlarged in both directions, as shown at e, f, the top of the bore being further contracted so that a shoulder is formed, as shown at g, at the upper end of the flared portion e.

C, Fig. 5, represents the short tapered stopper, of cork, whose smallest diameter is at least equal to the greatest diameter oft-he bore in the bottle head. This cork is softened, and forced to place within the bottle head a proper distance, by a suitable tool, and then, by expansion, the cork crowds against all the adjacent portions of the bore, and is Serial No. 429,536. (No model.)

thereby held tightly to place, the center of the cork forming a band or beadcwhich completely iills up the described groove d, but the top of the cork being a short distance belowl the shoulder g in the bottle head, as best shown in Fig. 2.

D is a rounded metallic disk (preferably made, as by stamping, from tin-plate) provided with a small central perforation h for the admission of a cork screw. The under side of this disk is preferably coated with some easily fusible material,such as rosin,or para'ine, as shown at 1I.

In practice, the cork C is first driven to place, leaving a slight space between the top of the cork and the shoulder g in the bottle head, as stated. The rounded metallic disk D is then laid on top of the cork, as shown in Fig. 2, and subjected to pressure, which fiattens the said disk and increases its diameter to the proportional extent shown by the dot' ted circle in Fig. 4, the said disk filling up the space beneath the shoulder g, as shown in Fig. Land when the bottle is subjected to the steaming process usual with beer and analogous fluids, the rosin, paraftine, or other fusible substance on the under side of the disk D is readily melted, completely closing up the space between the top edge of the cork and disk, and forming a thin film, as shown at c', in Fig. 1, forming a very perfect seal, and yet one that can be quickly and easily removed by a slight pull on a cork screw inserted as described, through the hole 71. in the disk D. It will be further noted that the described annular ilaring enlargements of the bore of the bottle-head, above and belowthe circumferential groove, form straight tapered sidewalls, and that the described constriction above the upper flared portion of the said bore constitutes a continous annular shoulder which extends inward directly from the said straight tapered side-walls, and hence when the metallic disk is flattened to place beneath said shoulder its circumferential edge everywhere coincides with the annular limit of the said tapered side-walls,fltting snugly against the same, and being also covered and held to place by the said shoulder continuously throughout its entire circumference, and this,

IOC

in conjunction with the fusible material between the under surface of the disk and the upper surface of the cork, forms an absolute seal for the gases in the bottle, and guards against the possibility of any accidental displacement of the stopper, er any partthereof.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

In a bottle-stoppering device, the combination with a bottle-head provided with an interior circumferential groove, and with the bore enlarged or flared above and below said groove, forming straight tapered side Walls, and constrioted above the upper flared portion, and a continuous annular shoulder formed in the said constricted top extending CONRAD SCI-IROEDER.

Witnesses:

H. G. UNDERWOOD, C. W. SCOTT. 

